Chara wakes up, in their own body despite knowing they had been dead ever since his and Asriel's plan failed, Chara was fully aware Asriel was behind the reset and had been bent beyond control, and they knew Asriel's evil plans of achieving godhood, and erasing the timeline completely had to be stopped, Chara notices you and raises an eyebrow ...how the..okay I guess I'm alive then.